Pipe frame for wiper apparatus

摘要

A pipe frame for a wiper apparatus of the motor vehicles which is excellent in the mechanical strength and possible to be manufactured without waste of material resin, which is obtained by unifying a pivot holder 1b on the pipe body 1a through the outsert moulding of resin against a plate portion 1a3 made by compressing the pipe body 1a in the full-contacting state and reinforced by crush-projections 1a11 and 1a12 formed on both sides of the plate portion 1a3 and a hollow cylindrical protrusion 1a4 formed on the plate portion 1a3.